Nearby Permits
Map of 201 permits within a quarter mile of 45 William StElectrical, 54 Pearl St, Oct 2, 2026Fire systems, 23 Prospect St, Oct 1, 2026Fire systems, 237 Franklin, Oct 1, 2026Fire systems, 61 Pleasant St, Oct 1, 2026Electrical, 575 Massachusetts Ave, Oct 1, 2026Mechanical (HVAC), 575 Massachusetts Ave, Sep 30, 2026Mechanical (HVAC), 54 Pearl St, Sep 30, 2026Addition, 678 Massachusetts Ave, Sep 30, 2026Electrical, 164 Pearl St, Sep 29, 2026Electrical, 15 Fairmont St, Sep 29, 2026Electrical, 580 Massachusetts Ave, Sep 29, 2026Plumbing, 575 Massachusetts Ave, Sep 28, 2026Plumbing, 15 Magazine St, Sep 28, 2026Alteration or repair, 12 Jay St, Sep 28, 2026Addition, 847 Massachusetts Ave, Sep 25, 2026Alteration or repair, 860 Massachusetts Ave, Sep 23, 2026Alteration or repair, 860 Massachusetts Ave, Sep 23, 2026Plumbing, 580 Massachusetts Ave, Sep 22, 2026Electrical, 580 Massachusetts Ave, Sep 22, 2026Alteration or repair, 30 Howard St, Sep 22, 2026Electrical, 47 William St, Sep 21, 2026Electrical, 19 Pleasant St, Sep 17, 2026Sign, 844 Massachusetts Ave, Sep 16, 2026Plumbing, 80 Pleasant St, Sep 16, 2026Alteration or repair, 22-A Howard St, Sep 16, 2026Alteration or repair, 22 Howard St, Sep 16, 2026Alteration or repair, 11 Pleasant Pl, Sep 15, 2026Alteration or repair, 164 Pearl St, Sep 14, 2026Alteration or repair, 21 Cottage St, Sep 11, 2026Electrical, 15 Fairmont St, Sep 10, 2026Electrical, 10 Corporal Mcternan St, Sep 10, 2026Electrical, 47 Jay St, Sep 10, 2026Plumbing, 739 Massachusetts Ave, Sep 9, 2026Alteration or repair, 12 William St, Sep 9, 2026Fire systems, 15 Fairmont St, Sep 4, 2026Mechanical (HVAC), 24 Jay St, Sep 4, 2026Roofing, 265 Western Ave, Sep 4, 2026Plumbing, 11 Kinnaird St, Sep 4, 2026Demolition, 68 Kinnaird St, Sep 4, 2026Demolition, 66 Kinnaird St, Sep 4, 2026Mechanical (HVAC), 19 Cottage St, Sep 3, 2026Plumbing, 5 Kinnaird St, Sep 3, 2026Plumbing, 580 Massachusetts Ave, Sep 3, 2026Plumbing, 15 Fairmont St, Sep 3, 2026Plumbing, 10 Corporal Mcternan St, Sep 3, 2026Plumbing, 580 Massachusetts Ave, Sep 3, 2026Alteration or repair, 27-29 Kinnaird St, Sep 3, 2026Plumbing, 200 Auburn St, Sep 2, 2026Plumbing, 844 Massachusetts Ave, Aug 31, 2026Mechanical (HVAC), 19 Cottage St, Aug 28, 2026Addition, 580 Massachusetts Ave, Aug 28, 2026Solar, 17-19 Decatur St, Aug 27, 2026Roofing, 148 River St, Aug 27, 2026Electrical, 108 Pearl St, Aug 27, 2026Electrical, 571 Massachusetts Ave, Aug 26, 2026Electrical, 27-29 Kinnaird St, Aug 25, 2026Plumbing, 203 Franklin St, Aug 21, 2026Electrical, 141 Pearl St, Aug 21, 2026Alteration or repair, 26 Watson St, Aug 21, 2026Electrical, 14 Magazine St, Aug 19, 2026Alteration or repair, 54 Pearl St, Aug 18, 2026Electrical, 10 Corporal Mcternan St, Aug 14, 2026Addition, 844 Massachusetts Ave, Aug 14, 2026Plumbing, 10 Corporal Mcternan St, Aug 12, 2026Plumbing, 61 Pleasant St, Aug 12, 2026Addition, 45 River St, Aug 12, 2026Electrical, 35-41 Jay St, Aug 10, 2026Alteration or repair, 9 Pleasant Pl, Aug 10, 2026Solar, 28 Kelly Rd, Aug 7, 2026Plumbing, 847 Massachusetts Ave, Aug 7, 2026Electrical, 844 Massachusetts Ave, Aug 7, 2026Addition, 12 Inman St, Aug 7, 2026Plumbing, 224 River St, Aug 6, 2026Plumbing, 224 River St, Aug 6, 2026Electrical, 580 Massachusetts Ave, Aug 6, 2026Plumbing, 571 Massachusetts Ave, Aug 5, 2026Plumbing, 571 Massachusetts Ave, Aug 5, 2026Plumbing, 131 Auburn St, Aug 4, 2026Mechanical (HVAC), 571 Massachusetts Ave, Aug 4, 2026Plumbing, 131 Auburn St, Aug 4, 2026Electrical, 28 Kelly Rd, Aug 4, 2026Mechanical (HVAC), 571 Massachusetts Ave, Jul 30, 2026Mechanical (HVAC), 500 Green St, Jul 30, 2026Mechanical (HVAC), 240 Franklin St, Jul 30, 2026Sign, 580 Massachusetts Ave, Jul 29, 2026Plumbing, 47 Jay St, Jul 29, 2026Plumbing, 47 Jay St, Jul 29, 2026Electrical, 23 Prospect, Jul 29, 2026Alteration or repair, 3-1/2 Pleasant Pl, Jul 29, 2026Fire systems, 571 Massachusetts Ave, Jul 28, 2026Electrical, 240 Franklin St, Jul 28, 2026Addition, 501-A Green St, Jul 28, 2026Plumbing, 11 Jay St, Jul 27, 2026Electrical, 11 Magazine St, Jul 27, 2026Addition, 33 Pleasant St, Jul 27, 2026Fire systems, 44 Pleasant St, Jul 24, 2026Solar, 7 Kinnaird St, Jul 24, 2026Plumbing, 11 Jay St, Jul 24, 2026Plumbing, 46 Kinnaird St, Jul 23, 2026Alteration or repair, 33 Pleasant St, Jul 23, 2026Electrical, 11 Perry St, Jul 22, 2026Plumbing, 19 Cottage St, Jul 20, 2026Electrical, 16 Kinnaird St, Jul 16, 2026Electrical, 231 River St, Jul 15, 2026Plumbing, 16 Rockwell St, Jul 14, 2026Electrical, 41 Pleasant St, Jul 14, 2026Sign, 40 Prospect St, Jul 13, 2026Electrical, 500-R Green St, Jul 11, 2026Plumbing, 11 Perry St, Jul 10, 2026Plumbing, 46 Kinnaird St, Jul 10, 2026Plumbing, 11 Perry St, Jul 10, 2026Alteration or repair, 246 Franklin St, Jul 10, 2026Addition, 18 Watson St, Jul 9, 2026Plumbing, 246 Franklin St, Jul 8, 2026Electrical, 571 Massachusetts Ave, Jul 8, 2026Solar, 9 Woodrow Wilson Ct, Jul 7, 2026Solar, 5 Temple St, Jul 7, 2026Addition, 10 Corporal Mcternan St, Jul 7, 2026Electrical, 47 Jay St, Jul 6, 2026Electrical, 7 Kinnaird St, Jul 6, 2026Plumbing, 65-67 Howard St, Jul 2, 2026Plumbing, 65-67 Howard St, Jul 2, 2026Electrical, 65-67 Howard St, Jul 2, 2026Addition, 35-41 Jay St, Jul 2, 2026Solar, 500 Green St, Jul 1, 2026Electrical, 24 Jay St, Jul 1, 2026Plumbing, 500 Green St, Jun 30, 2026Plumbing, 35-A Chalk St, Jun 30, 2026Electrical, 500 Green St, Jun 30, 2026Electrical, 19 Howard St, Jun 30, 2026Addition, 27 Kinnaird St, Jun 26, 2026Roofing, 14 William St, Jun 25, 2026Addition, 185 Franklin St, Jun 25, 2026Roofing, 22-24 Soden St, Jun 24, 2026Plumbing, 57-61 Kinnaird St, Jun 24, 2026Plumbing, 57-61 Kinnaird St, Jun 24, 2026Electrical, 80 Pleasant St, Jun 24, 2026Addition, 33 Magazine St, Jun 23, 2026Addition, 38 Pearl St, Jun 22, 2026Mechanical (HVAC), 369 Franklin St, Jun 18, 2026Addition, 25 Kelly Rd, Jun 18, 2026Electrical, 847 Massachusetts Ave, Jun 17, 2026Electrical, 33 Magazine St, Jun 17, 2026Plumbing, 369 Franklin St, Jun 16, 2026Plumbing, 369 Franklin St, Jun 16, 2026Plumbing, 80 Pleasant St, Jun 15, 2026Plumbing, 82 Pleasant St, Jun 15, 2026Addition, 48 Howard St, Jun 15, 2026Electrical, 620 Massachusetts Ave, Jun 11, 2026Electrical, 10 Pleasant St, Jun 11, 2026Plumbing, 5 Perry St, Jun 10, 2026Plumbing, 24 Jay St, Jun 10, 2026Addition, 65-67 Howard St, Jun 10, 2026Electrical, 41 Pleasant St, Jun 4, 2026Electrical, 17-19 Decatur St, Jun 4, 2026Addition, 43 Cottage St, Jun 4, 2026Addition, 141 Pearl St, Jun 4, 2026Addition, 80 Pleasant St, Jun 4, 2026Mechanical (HVAC), 580 Massachusetts Ave, Jun 3, 2026Roofing, 27 Kinnaird St, Jun 3, 2026Electrical, 9 Jay St, Jun 3, 2026Electrical, 5 Kinnaird St, Jun 2, 2026Electrical, 5 Perry St, Jun 2, 2026Plumbing, 199-201 Franklin St, Jun 1, 2026Mechanical (HVAC), 61 Pleasant St, May 28, 2026Mechanical (HVAC), 61 Pleasant St, May 28, 2026Mechanical (HVAC), 324 Franklin St, May 28, 2026Electrical, 80 Pleasant St, May 28, 2026Plumbing, 324 Franklin St, May 26, 2026Mechanical (HVAC), 11 Perry St, May 26, 2026Plumbing, 80 Pleasant St, May 26, 2026Electrical, 44 Pleasant St, May 26, 2026Electrical, 564 Massachusetts Ave, May 26, 2026Electrical, 46 Cottage St, May 26, 2026Addition, 41 Pleasant St, May 23, 2026Plumbing, 678 Massachusetts Ave, May 20, 2026Electrical, 10 Kelly Rd, May 19, 2026Electrical, 324 Franklin St, May 19, 2026Electrical, 620 Massachusetts Ave, May 19, 2026Plumbing, 256 Western Ave, May 18, 2026Roofing, 193 Franklin St, May 15, 2026Addition, 449 Franklin St, May 15, 2026Addition, 22 Watson St, May 15, 2026Addition, 22 Watson St, May 15, 2026Addition, 575 Massachusetts Ave, May 15, 2026Plumbing, 22-24 Soden St, May 14, 2026Plumbing, 324 Franklin St, May 13, 2026Demolition, 15 Fairmont St, May 11, 2026Demolition, 200 Auburn St, May 8, 2026Electrical, 56 Magazine St, May 7, 2026Electrical, 9 Woodrow Wilson Ct, May 6, 2026Addition, 19 Kelly Rd, May 6, 2026Roofing, 222 River St, May 5, 2026Electrical, 15 Magazine St, May 5, 2026Addition, 27 Watson St, May 5, 2026Addition, 864 Massachusetts Ave, May 5, 2026Addition, 5 Perry St, May 5, 2026New building, 47 Jay St, Jul 30, 2026New building, 47 Jay St, Jul 7, 2026New building, 66 Kinnaird St, Jun 18, 2026New building, 15 Fairmont St, Jun 8, 2026660 ft Map preview
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45 William St

Cambridge, MA 02139

66 Kinnaird St: a new building permitted Jun 18, demolition Sep 4.

Three permits on record here. The newest, Nov 4, 2025: Plumbing permit, no description from the city. Within a quarter mile, the city has issued 201 more permits (172 projects) since May 1. Three are for new buildings, the nearest 0.20 mi away.

MayJunJulAugSepOct
Here3 permits · 45 William St
  1. Nov 4, 2025not listed
  2. Nov 15, 2023not listed
Next doorunder 250 ft · 7 permits
  1. Sep 21not listed
  2. Sep 2not listed
  3. Aug 12not listed
  4. Jul 27not listed
  5. Jul 23not listed
  6. Jun 4not listed
  7. May 8not listed
This block250 to 1,000 ft · 92 permits in 82 projects
  1. Oct 2not listed
  2. Oct 1not listed
  3. Oct 1not listed
  4. Sep 30not listed
  5. Sep 30not listed
  6. Sep 28not listed
  7. Sep 28not listed
  8. Sep 17not listed
  9. Sep 16not listed
  10. Sep 16not listed
  11. Sep 15not listed
  12. Sep 11not listed
  13. Sep 9not listed
  14. Sep 9not listed
  15. Sep 4not listed
  16. Sep 4not listed
  17. Mechanical (HVAC) permit, no description from the city × 2 permits
    19 Cottage St · 570 ft SE · Mechanical (HVAC)
    Aug 28 to Sep 3not listed
  18. Sep 3not listed
  19. Sep 3not listed
  20. Aug 27not listed
  21. Aug 27not listed
  22. Aug 25not listed
  23. Aug 21not listed
  24. Aug 19not listed
  25. Aug 18not listed
  26. Aug 12not listed
  27. Aug 10not listed
  28. Aug 10not listed
  29. Aug 7not listed
  30. Aug 4not listed
  31. Aug 4not listed
  32. Jul 30not listed
  33. Jul 29not listed
  34. Jul 28not listed
  35. Plumbing permit, no description from the city × 2 permits
    11 Jay St · 750 ft W · Plumbing
    Jul 24 to 27not listed
  36. Jul 27not listed
  37. Jul 24not listed
  38. Jul 24not listed
  39. Jul 10 to 23not listed
  40. Jul 22not listed
  41. Jul 20not listed
  42. Jul 16not listed
  43. Jun 4 to Jul 14not listed
  44. Jul 10not listed
  45. Jul 10not listed
  46. Jul 8not listed
  47. Jul 6not listed
  48. Jul 2not listed
  49. Jul 1not listed
  50. Jun 30not listed
  51. Jun 26not listed
  52. Jun 25not listed
  53. Jun 24not listed
  54. Jun 23not listed
  55. Jun 18not listed
  56. Jun 18not listed
  57. Jun 17not listed
  58. Jun 16not listed
  59. Jun 11not listed
  60. Jun 10not listed
  61. Jun 10not listed
  62. Jun 3not listed
  63. Jun 3not listed
  64. Jun 2not listed
  65. Jun 2not listed
  66. Mechanical (HVAC) permit, no description from the city × 2 permits
    61 Pleasant St · 700 ft SW · Mechanical (HVAC)
    May 28not listed
  67. May 28not listed
  68. May 13 to 26not listed
  69. May 26not listed
  70. May 26not listed
  71. May 26not listed
  72. May 23not listed
  73. May 20not listed
  74. May 19not listed
  75. May 19not listed
  76. Addition permit, no description from the city × 2 permits
    22 Watson St · 990 ft SE · Addition
    May 15not listed
  77. May 14not listed
  78. May 7not listed
  79. May 6not listed
  80. May 5not listed
  81. May 5not listed
  82. May 5not listed
Within a quarter mile1,000 ft to ¼ mi · 102 permits in 83 projects · 3 new buildings
  1. Oct 1not listed
  2. Oct 1not listed
  3. Sep 30not listed
  4. Sep 29not listed
  5. Electrical permit, no description from the city × 2 permits
    15 Fairmont St · 0.25 mi SW · Electrical
    Sep 10 to 29not listed
  6. Aug 6 to Sep 29not listed
  7. Sep 28not listed
  8. Sep 25not listed
  9. Sep 23not listed
  10. Sep 3 to 22not listed
  11. Sep 22not listed
  12. Sep 16not listed
  13. Sep 16not listed
  14. Sep 14not listed
  15. Aug 14 to Sep 10not listed
  16. Sep 10not listed
  17. Sep 4not listed
  18. Sep 4not listed
  19. Sep 4not listed
  20. Sep 4not listed
  21. Sep 3not listed
  22. Aug 12 to Sep 3not listed
  23. Aug 31not listed
  24. Aug 28not listed
  25. Aug 27not listed
  26. Jul 8 to Aug 26not listed
  27. Aug 21not listed
  28. Aug 21not listed
  29. Aug 14not listed
  30. Aug 7not listed
  31. Aug 7not listed
  32. Aug 7not listed
  33. Plumbing permit, no description from the city × 2 permits
    224 River St · 0.23 mi SW · Plumbing
    Aug 6not listed
  34. Aug 5not listed
  35. Jul 30 to Aug 4not listed
  36. Jul 30not listed
  37. New building permit, no description from the city × 2 permits
    47 Jay St · 0.20 mi NW · New building
    Jul 7 to 30not listed
  38. Jul 29not listed
  39. Plumbing permit, no description from the city × 2 permits
    47 Jay St · 0.20 mi NW · Plumbing
    Jul 29not listed
  40. Jul 29not listed
  41. Jul 28not listed
  42. Jul 28not listed
  43. Jul 15not listed
  44. Jul 14not listed
  45. Jul 13not listed
  46. Jul 11not listed
  47. Jul 9not listed
  48. Jul 7not listed
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  51. Jul 6not listed
  52. Jul 2not listed
  53. Jul 2not listed
  54. Jul 1not listed
  55. Jun 30not listed
  56. Jun 30not listed
  57. Jun 30not listed
  58. Jun 25not listed
  59. Jun 24not listed
  60. Electrical permit, no description from the city × 2 permits
    80 Pleasant St · 0.20 mi SW · Electrical
    May 28 to Jun 24not listed
  61. Jun 22not listed
  62. Jun 18not listed
  63. Jun 17not listed
  64. May 26 to Jun 15not listed
  65. Jun 15not listed
  66. Jun 15not listed
  67. May 19 to Jun 11not listed
  68. Jun 10not listed
  69. Jun 8not listed
  70. Jun 4not listed
  71. Jun 4not listed
  72. Jun 4not listed
  73. Jun 3not listed
  74. Jun 1not listed
  75. May 26not listed
  76. May 18not listed
  77. May 15not listed
  78. May 15not listed
  79. May 15not listed
  80. May 11not listed
  81. May 6not listed
  82. May 5not listed
  83. May 5not listed
More on this streetWilliam St · 7 other addresses with permits

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Cambridge Inspectional Services Department updated its data Oct 6, 2026. We checked it Oct 6, 15:48 UTC. See the city's official records.

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

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